[AS IT IS] AS IT IS 2014-08-26 Is North Korea Preparing to Strike US Electric Grid? 日期：2014-08-26 09:15:14 点击：191 好评：0
音频下载 This NASA image, assembled from data acquired by satellite between April and October 2012, shows the United States at night time. A longtime national security advisor to the United States Congress has said the countrys electric system --...
[AS IT IS] AS IT IS 2014-08-25 Scientists Developing Blood Test for PTSD 日期：2014-08-25 09:13:37 点击：409 好评：0
音频下载 Post-Traumatic Stress Disorder or PTSD is caused by a frightening event , either witnessed or experienced . Signs of the disorder may include depression , bad dreams and severe nervousness . Thoughts about the event may be uncontrollable...
[AS IT IS] AS IT IS 2014-08-25 Use of Mass Transit Is Highest in Nearly 60 Years 日期：2014-08-25 09:11:15 点击：222 好评：0
音频下载 In this 2012 file photo, passengers exit a subway train at New York's Times Square station. A record number of Americans are moving into cities . When they move into urban areas , they drive less . New York City is one of the top cities...
[AS IT IS] AS IT IS 2014-08-24 People Use Too Much Salt 日期：2014-08-24 09:38:51 点击：345 好评：0
音频下载 In this file photo, salt shakers and other condiments at a restaurant in Alexandria, Va., May 14, 2013. There is good reason for the popularity of salt: It can add to the taste of food. And it protects against loss of needed body fluids...
[AS IT IS] AS IT IS 2014-08-24 Tiny Robots Learn to Work Together 日期：2014-08-24 09:36:12 点击：166 好评：0
音频下载 Several kilobots from a swarm of one thousand simple but collaborative robots, are seen in this photo from Harvard. cientists at Harvard University have created an army of small robots that can move as a group to form shapes . The robots...
[AS IT IS] AS IT IS 2014-08-23 Lawyers Give Free Legal Help to Needy 日期：2014-08-23 09:44:06 点击：184 好评：0
音频下载 The Scales of Justice. Do poor people have the same access to justice? Pro Bono lawyers aim to keep the scales balanced. Legal advice can cost a lot . A person with little money does not have the same ability to get legal help as a riche...
[AS IT IS] AS IT IS 2014-08-22 US, Japan to Connect with Fiber-Optic Cable 日期：2014-08-22 09:20:48 点击：105 好评：0
音频下载 Fiber optic cables. Work will begin immediately on a new fiber-optic cable between the United States and Japan . The $300 million project , called FASTER , is to be finished before the middle of 2016. The cable will run 9,000 kilometers...
[AS IT IS] AS IT IS 2014-08-21 Girl Making History in Little League World Series 日期：2014-08-21 10:24:29 点击：232 好评：0
音频下载 Philadelphia pitcher Mo'ne Davis, second from left, stands with her teammates at the Little League World Series tournament in South Williamsport, Pa., Friday, Aug. 15, 2014. To many people , it may look like just another childs baseball...
[AS IT IS] AS IT IS 2014-08-21 Red Cross Chief Says Ebola Can Be Defeated 日期：2014-08-21 10:21:52 点击：136 好评：0
音频下载 Health workers recover the body of a suspected Ebola victim in Monrovia, Liberia. The head of the International Federation of Red Cross and Red Crescent Societies is hopeful that the spread of the deadly Ebola virus can be defeated . But...
[AS IT IS] AS IT IS 2014-08-21 For President Obama, Race Is a Personal Issue 日期：2014-08-21 10:20:18 点击：104 好评：0
音频下载 The racial violence in the city of Ferguson , Missouri is an important issue for Barack Obama , the first African-American president . Mr . Obama has asked protestors to stop fighting with police . And he has called for calm and understa...
音频下载 FILE - In this Sept. 13, 2011 file photo, Anthony Guarino Jr., a sei...
音频下载 FILE - Supporters of Ed Lee cheered his 2011 election as the first A...
音频下载 Local citizens line up to collect water, in a street in the center o...
音频下载 Palestinian President Mahmoud Abbas meets with White House senior ad...
音频下载 The Supreme Court building is seen in Washington, D.C, April 4, 2017...
音频下载 A journalist poses with a portrait of Turkish journalist Ahmet Altan...